Ans question no 5 and 6 130 Structure of Atom
5. The energies El and E2 of two radiations are
25 ev and 50 ev respectively. The relation
between their wavelengths i.e. and will be
2
2
6. Ifn = 6, the correct sequence of filling of electronS
will be
7. The value of Planck's constant is 6.63 x 10-34 Js.
The speed of light is 3 x 1017 nm s-l. Which value
is closest to the wavelength in nanometer of e
quantum of light with frequency of 6 x 1015 s-l?
(1) 25
(3) 75
(2) 50
(4) 10